Jack plate



FIG. 1 is a front perspective view of the jack plate, showing my new design;

FIG. 2 is a rear perspective view of the jack plate;

FIG. 3 is a front view of the jack plate;

FIG. 4 is a right side view of the jack plate;

FIG. 5 is a left side view of the jack plate;

FIG. 6 is a top view of the jack plate;

FIG. 7 is a rear view of the jack plate; and,

FIG. 8 is a bottom view of the jack plate. 

The ornamental design for the jack plate, as shown and described. 